Each coach has a frame built from scratch. It starts as single pieces of aluminum and once the weld shop has a build order they have a blueprint of how the frame has to be built. I know the full wall models are reinforced in specific areas. Which specific areas I'm not sure of but I will check with engineering tomorrow and find out.
The ride rite air bags are not available on any MBS chassis'. Mercedes is pretty strict on what is and isn't allowed on their chassis' and that's one thing that isn't
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